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Android Whatsapp/Chat Examples [closed]
Does anybody have an example or a tutorial for a Android application like WhatsApp ? I want to understand how WhatsApp works and how it is programmed.
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Most efficient way to remove special characters from string
...Regular expression: 294.4 ms.
Edit 2:
I added the distinction between A-Z and a-z in the code above. (I reran the performance test, and there is no noticable difference.)
Edit 3:
I tested the lookup+char[] solution, and it runs in about 13 ms.
The price to pay is, of course, the initialization of...
Removing projects in Sublime Text 2 and 3
How do you remove a project from Sublime Text 2 and 3's project windows ( Ctrl + Alt + P ) ?
5 Answers
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Code First: Independent associations vs. Foreign key associations?
...ve a mental debate with myself every time I start working on a new project and I am designing my POCOs. I have seen many tutorials/code samples that seem to favor foreign key associations :
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Create web service proxy in Visual Studio from a WSDL file
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Try using WSDL.exe and then including the generated file (.cs) into your project.
Fire up the Visual Studio Command prompt (under visual studio/tools in the start menu) then type
>wsdl.exe [path To Your WSDL File]
That'll spit out a file...
In .NET, which loop runs faster, 'for' or 'foreach'?
...hrough a list with foreach than it does to loop through an array with for, and you're calling that insignificant? That kind of a performance difference might matter for your application, and it might not, but I wouldn't just dismiss it out of hand.
– Robert Harvey
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Clean up a fork and restart it from the upstream
I have forked a repository, then I made some changes and it looks like I've messed up everything.
4 Answers
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How to tell whether a point is to the right or left side of a line
...o separate them into 2 distinct sets. To do this, I choose two points ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set.
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Unable to export Apple production push SSL certificate in .p12 format
...o private key was created for the certificate. When I tried to right click and export the certificate, I was not able to export that as .p12 file as the .p12 file extension was disabled while saving. I am unable to attach the screenshots here due to lesser reputation.
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Echo tab characters in bash script
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That's because echo -e is not POSIX and make calls /bin/sh which is normally not the program use use interactively, and normally hasn't -e implemented. For portability, use printf '\t' instead.
– Jo So
Oct 5 '12 at 19:02
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